Add name and timeout params. (tldraw#5129)

Improve `getPostgres` helper.:
- We can now pass in a name, which allows us to see the who is holding
an open connection in `pg_stat_activity`. See `application_name` column
below.
![CleanShot 2024-12-16 at 15 47
58@2x](https://github.com/user-attachments/assets/a9f62e5c-4198-478d-9020-12a74841c48e)
- `idleTimeout` option with a default of 30.

### Change type

- [ ] `bugfix`
- [x] `improvement`
- [ ] `feature`
- [ ] `api`
- [ ] `other`

apps/dotcom/client/public/tla/locales-compiled/en.json

@@ -56,6 +56,7 @@
   "8ff3d0a705": "Rate limited",
   "902b0d55fd": "Error",
   "904a830405": "Rename",
+  "91e49bb0eb": "Copy to my files",
   "9563b82670": "Uploading {count} .tldr {count, plural, one {file} other {files}}…",
   "96165d6df5": "This month",
   "9914a0ce04": "Light",

apps/dotcom/client/public/tla/locales/en.json

@@ -170,6 +170,9 @@
   "904a830405": {
     "translation": "Rename"
   },
+  "91e49bb0eb": {
+    "translation": "Copy to my files"
+  },
   "9563b82670": {
     "translation": "Uploading {count} .tldr {count, plural, one {file} other {files}}…"
   },

apps/dotcom/sync-worker/src/TLDrawDurableObject.ts

@@ -305,7 +305,7 @@ export class TLDrawDurableObject extends DurableObject {
 			return this._fileRecordCache
 		}
 		try {
-			const postgres = getPostgres(this.env, { pooled: true })
+			const postgres = getPostgres(this.env, { pooled: true, name: 'TLDrawDurableObject' })
 			const fileRecord =
 				await postgres`SELECT * FROM public.file WHERE ID = ${this.documentInfo.slug}`
 			this._fileRecordCache = fileRecord[0] as TlaFile
@@ -588,7 +588,7 @@ export class TLDrawDurableObject extends DurableObject {
 
 				// Update the updatedAt timestamp in the database
 				if (this.documentInfo.isApp) {
-					const pg = getPostgres(this.env, { pooled: true })
+					const pg = getPostgres(this.env, { pooled: true, name: 'TLDrawDurableObject' })
 					await pg`UPDATE public.file SET "updatedAt" = ${new Date().getTime()} WHERE id = ${this.documentInfo.slug}`
 					await pg.end()
 				}

apps/dotcom/sync-worker/src/TLPostgresReplicator.ts

@@ -228,7 +228,7 @@ export class TLPostgresReplicator extends DurableObject<Environment> {
 			// preserve the promise so any awaiters do eventually get resolved
 			// TODO: set a timeout on the promise?
 			promise,
-			db: getPostgres(this.env, { pooled: false }),
+			db: getPostgres(this.env, { pooled: false, name: 'TLPostgresReplicator' }),
 			sequenceId: uniqueId(),
 		}
 		const subscription = await this.state.db.subscribe(

apps/dotcom/sync-worker/src/TLUserDurableObject.ts

@@ -50,7 +50,7 @@ export class TLUserDurableObject extends DurableObject<Environment> {
 		this.sentry = createSentry(ctx, env)
 		this.replicator = getReplicator(env)
 
-		this.db = getPostgres(env, { pooled: true })
+		this.db = getPostgres(env, { pooled: true, name: 'TLUserDurableObject' })
 		this.debug('created')
 		this.measure = env.MEASURE
 	}

apps/dotcom/sync-worker/src/getPostgres.ts

@@ -4,7 +4,10 @@ import { Environment } from './types'
 /**
  * `pooled` should be almost always be true.
  */
-export function getPostgres(env: Environment, { pooled }: { pooled: boolean }) {
+export function getPostgres(
+	env: Environment,
+	{ pooled, name, idleTimeout = 30 }: { pooled: boolean; name: string; idleTimeout?: number }
+) {
 	return postgres(
 		pooled ? env.BOTCOM_POSTGRES_POOLED_CONNECTION_STRING : env.BOTCOM_POSTGRES_CONNECTION_STRING,
 		{
@@ -16,6 +19,10 @@ export function getPostgres(env: Environment, { pooled }: { pooled: boolean }) {
 					serialize: (value: number) => String(value), // Convert number to string
 				},
 			},
+			idle_timeout: idleTimeout,
+			connection: {
+				application_name: name,
+			},
 		}
 	)
 }